C417 The Yin Evil Wood Killing Heavenly Ancient Sword Array

Chen Yuan did not seem to notice the change in Lin Yu's expression. He continued to speak, "The Yellow Spring Flower is born in the dark. As long as there is sunlight, it will immediately wither, and there is no possibility of survival. Similarly, in order to grow smoothly, other than the dark and humid environment, there is also a special thing. It is the Yin energy you saw just now